During my annual safety and emissions inspection, the technician told me that 1999 E320s are the cars they make the least money on (for repairs), because they are so reliable. Is this true?

__________________
2008 E350 4matic / Black/Anthracite

------------------------------------
Gone but not Forgotten:
2001 E430 4matic, 206,xxx miles, Black/Charcoal
1995 E320, 252,xxx miles, Black/Grey
1989 260E, 223,00 miles, Black/Black